Check the listing for details. Programmable Step Attenuator 0 to 60 dB 1dB Step size GPIB Interface WR-112 WORK. Condition: Used. Listed at 295.00 USD. WORKING Programmable attenuator. You can operate it from the front panel or remotely from a computer. Accessories: 24V power supply. We respond to inquiries Mo-Fr 8:30 to 6:30 PST Free local pickup (San Mateo tax rate of 8.75% applies).IMPORTANT INFORMATION ABOUT DELIVERY: We cannot ship to an address that doesn't appear on eBay checkout page, NO EXCEPTIONS. In order to use your FedEx, UPS or DHL account you you must select Local pick up option at checkout and email us a prepaid shipping label. You will assume full responsibility if your item is lost in transit. If you need express delivery contact us BEFORE placing your bid. We must follow these rules because of eBay mandated dispute resolution policies.DUE TO A CUMBERSOME PROCESS OF DECLINING BIDS WE WILL NOT RESPOND TO OFFERS THAT ARE 51% BELOW LISTED PRICE